MIL-DTL-38807D
d. Commonly used hardware, such as standard rivets, screws, bolts, nuts, cotter pins, washers,
etc., when not used as attaching parts for frequently detached assemblies, subassemblies,
or detailed parts.
e. Support equipment, such as tools and test equipment, other than that deined in 3.6.
3.6.6 Illustrations. Illustrations shall be provided to identify listed parts. Illustrations shall be selected,
prepared, and located in accordance with the requirements of MIL-STD-38784, and as speciied herein.
When necessary, an illustration shall show the relation of a component to the end item. When identical parts
appear in the same relative location, only one need be illustrated. Exploded views shall be used to portray
disassembly sequence clearly or to identify parts rapidly. Every effort shall be made to limit the number of
parts shown on an illustration, so that no more than one page/graphics view is required.
Print presentation: If multi-sheet illustrations are required, they shall be in accordance with MIL-STD-38784.
Foldout pages shall not be used.
3.6.6.1 Main groups/main assemblies. When the MPL is divided into main groups or major assemblies
of the end item, the irst illustration shall portray this information with a key to the main groups or
3.6.6.2 Functional systems. A functional system (air conditioning, communications, light controls, fuel,
hydraulic power, landing gear, etc.) shall be illustrated in a manner that permits the individual assemblies of
the system to be readily located in the MPL by the use of keys (see igure 4).
3.6.6.3 Exploded view. Figure 5 provides a typical exploded view for equipment.
3.6.6.4 Similar assemblies and parts. When assemblies and parts have the same appearance and functional
purpose, they need to be illustrated only once, provided the criteria of 3.6.9.7 are met.
3.6.6.5 Differing components, assemblies, and parts. Components, assemblies, and parts which differ from
an earlier or later coniguration, yet have a similar appearance, need to be illustrated only once, providing
the changed and added parts are clearly identiied. When space does not permit this arrangement, or major
differences exist, separate illustrations shall be provided.
3.6.6.6 Subassemblies. When space permits, all the detail parts of each subassembly contained in any one
assembly shall be shown on one illustration. When space limitations prohibit this requirement, a subassembly
shall be illustrated completely assembled on the assembly illustration, and a separate exploded view of the
subassembly prepared. In both descriptions of the subassembly (where listed assembled and where listed with
detail parts), there shall be a cross-reference to the other illustration.
Electronic presentation: The cross reference to the other illustration shall be linked.
3.6.6.7 Attaching parts. Illustrations of attaching parts shall only be exploded when disassembly/assembly
procedures merit explosion because of complexity. When the attaching parts at a speciic location are not
visible in an illustration (a top view may show the bolts and washers above, but not the washers and nuts
beneath), an index number shall be assigned to each item, and all index numbers shall be shown with
one leader line terminating on the visible part(s).
3.6.6.8 Indicating relationship. When unlisted parts are illustrated to show relationship, the unlisted parts
shall be toned down, or shown in phantom, to give emphasis to listed parts.
3.6.6.9 Index numbers. Each illustration shall have index numbers beginning with 1. Any suitable method
which will effectively identify a part may be employed, such as use of leader lines, index number directly
on a part, etc. Index numbers must agree with those shown in the listings (see 3.6.7.1 and 3.6.7.1.1).
When disassembly/assembly procedures do not merit explosion because of simplicity (for example, the
insulating pad or socket for a microcircuit), an index number shall be assigned to each item, and all index
numbers shall be shown with one leader line terminating on the visible part(s) (see igure 6). When
speciied by the acquiring activity, reference designators shall follow or be placed immediately below the
applicable index number, in parentheses, on the illustration (see 6.2m.).
3.6.6.10 Figure titles and numbering. The requirements of MIL-STD-38784 are applicable except the chapter
number shall not precede the igure number, unless the IPB is a chapter of a maintenance manual.
3.6.6.11 Added and deleted igures and index numbers. The requirements of MIL-STD-38784 apply.
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